222485 has 4 divisors (see below), whose sum is σ = 266988. Its totient is φ = 177984.

The previous prime is 222461. The next prime is 222493. The reversal of 222485 is 584222.

222485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114244 + 108241 = 338^2 + 329^2 .

It is a cyclic number.

It is not a de Polignac number, because 222485 - 2¹⁰ = 221461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22244 + ... + 22253.

It is an arithmetic number, because the mean of its divisors is an integer number (66747).

2²²²⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

222485 is a deficient number, since it is larger than the sum of its proper divisors (44503).

222485 is an equidigital number, since it uses as much as digits as its factorization.

222485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44502.

The product of its digits is 1280, while the sum is 23.

The square root of 222485 is about 471.6831563666. The cubic root of 222485 is about 60.5945519688.

It can be divided in two parts, 222 and 485, that added together give a palindrome (707).

The spelling of 222485 in words is "two hundred twenty-two thousand, four hundred eighty-five".